JPH0314984U - - Google Patents

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Publication number
JPH0314984U
JPH0314984U JP7583589U JP7583589U JPH0314984U JP H0314984 U JPH0314984 U JP H0314984U JP 7583589 U JP7583589 U JP 7583589U JP 7583589 U JP7583589 U JP 7583589U JP H0314984 U JPH0314984 U JP H0314984U
Authority
JP
Japan
Prior art keywords
voltage
switching element
mag
circuit
power supply
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP7583589U
Other languages
Japanese (ja)
Other versions
JPH0721108Y2 (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1989075835U priority Critical patent/JPH0721108Y2/en
Publication of JPH0314984U publication Critical patent/JPH0314984U/ja
Application granted granted Critical
Publication of JPH0721108Y2 publication Critical patent/JPH0721108Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Dc-Dc Converters (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の一実施例を示す回路図、第２
図は定常動作時の可飽和リアクトルの動作波形図
、第３図は外部電源の接続などによつて生ずる逆
電圧発生時の過飽和リアクトルのＢＨ曲線説明図
、第４図は本考案の他の実施例を示す回路図であ
る。第５図は従来装置の回路図である。 ２０……基準電圧比較部、３０……リセツトド
ライバ回路、Ｒ１１，Ｒ１６……リセツト電流制
限抵抗、Ｄ１２，Ｄ１３……逆電圧防止用ダイオ
ード。 Figure 1 is a circuit diagram showing one embodiment of the present invention, Figure 2 is a circuit diagram showing an embodiment of the present invention.
The figure is an operating waveform diagram of a saturable reactor during steady operation, Figure 3 is an explanatory diagram of the BH curve of a supersaturated reactor when reverse voltage is generated due to connection of an external power supply, etc., and Figure 4 is another implementation of the present invention. FIG. 3 is a circuit diagram showing an example. FIG. 5 is a circuit diagram of a conventional device. 20... Reference voltage comparison section, 30... Reset driver circuit, R11, R16... Reset current limiting resistor, D12, D13... Diode for reverse voltage prevention.

Claims (1)

【実用新案登録請求の範囲】 (1) トランスの二次巻線に誘起されたスイツチ
ング信号を整流平滑化して直流電圧を出力する回
路と、 この直流電圧出力回路の前記二次巻線と前記整
流回路との間に挿入された可飽和リアクトルと、 この直流電圧出力回路の出力電圧（Ｖｏｕｔ２
）と所定の基準電圧（Ｖｏｕｔ２）とを比較して
比較信号を出力する基準電圧比較部と、 この基準電圧比較部の比較信号を入力して前記
可飽和リアクトルにリセツト電流を送るリセツト
ドライバ回路とを有するマグアンプ方式の直流安
定化電源において、 前記リセツトドライバ回路は、 制御端子に前記比較信号に基づく制御信号を入
力し、入力端子を前記直流電圧出力回路の電圧側
の端子と接続し、出力端子をダイオードＤ５を介
して前記可飽和リアクトルに接続するスイツチン
グ素子Ｑ３、 このスイツチング素子の入力端子と制御端子間
に発生する逆電圧を所定の電圧以下に制限する逆
電圧制限手段、 を具備することを特徴とするマグアンプ方式の
直流安定化電源。 (2) 前記逆電圧制限手段は、前記スイツチング
素子の入力端子側に接続された第１のリセツト電
流制限抵抗と、前記スイツチング素子の出力端子
側に接続された第２のリセツト電流制限抵抗を有
することを特徴とする請求項１記載のマグアンプ
方式の直流安定化電源。 (3) 前記逆電圧制限手段は、前記スイツチング
素子の入力端子側と制御端子の間に接続されるダ
イオードであつて、このダイオードの導通する電
圧を前記逆電圧が過大である値よりも小さくした
ことを特徴とする請求項１記載のマグアンプ方式
の直流安定化電源。[Claims for Utility Model Registration] (1) A circuit that rectifies and smoothes a switching signal induced in a secondary winding of a transformer to output a DC voltage, and the secondary winding and the rectifier of this DC voltage output circuit. The saturable reactor inserted between the circuit and the output voltage of this DC voltage output circuit (V out2
 ) and a predetermined reference voltage (V out2 ) and outputs a comparison signal, and a reset driver circuit that inputs the comparison signal of this reference voltage comparison section and sends a reset current to the saturable reactor. In the mag-amp DC stabilized power supply, the reset driver circuit inputs a control signal based on the comparison signal to a control terminal, connects the input terminal to the voltage side terminal of the DC voltage output circuit, and outputs the A switching element Q3 whose terminal is connected to the saturable reactor via a diode D5, and reverse voltage limiting means that limits the reverse voltage generated between the input terminal and the control terminal of this switching element to a predetermined voltage or less. A mag-amp type DC stabilized power supply featuring: (2) The reverse voltage limiting means has a first reset current limiting resistor connected to the input terminal side of the switching element, and a second reset current limiting resistor connected to the output terminal side of the switching element. The mag-amp type DC stabilized power supply according to claim 1. (3) The reverse voltage limiting means is a diode connected between the input terminal side of the switching element and the control terminal, and the voltage at which this diode conducts is set to be lower than the value at which the reverse voltage is excessive. The mag-amp type DC stabilized power supply according to claim 1.
JP1989075835U 1989-06-28 1989-06-28 Mag-amp type DC stabilized power supply Expired - Lifetime JPH0721108Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989075835U JPH0721108Y2 (en) 1989-06-28 1989-06-28 Mag-amp type DC stabilized power supply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989075835U JPH0721108Y2 (en) 1989-06-28 1989-06-28 Mag-amp type DC stabilized power supply

Publications (2)

Publication Number Publication Date
JPH0314984U true JPH0314984U (en) 1991-02-14
JPH0721108Y2 JPH0721108Y2 (en) 1995-05-15

Family

ID=31616764

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989075835U Expired - Lifetime JPH0721108Y2 (en) 1989-06-28 1989-06-28 Mag-amp type DC stabilized power supply

Country Status (1)

Country Link
JP (1) JPH0721108Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012526514A (en) * 2009-05-06 2012-10-25 ヴェルデ パワー サプライ，インコーポレイテッド Electromagnetic equipment using shared magnetic flux in multi-load parallel magnetic circuit and its operation method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61109459A (en) * 1984-10-30 1986-05-27 Hitachi Metals Ltd Magnetic amplifier control circuit
JPS61144793U (en) * 1985-02-26 1986-09-06

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61109459A (en) * 1984-10-30 1986-05-27 Hitachi Metals Ltd Magnetic amplifier control circuit
JPS61144793U (en) * 1985-02-26 1986-09-06

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012526514A (en) * 2009-05-06 2012-10-25 ヴェルデ パワー サプライ，インコーポレイテッド Electromagnetic equipment using shared magnetic flux in multi-load parallel magnetic circuit and its operation method

Also Published As

Publication number Publication date
JPH0721108Y2 (en) 1995-05-15

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